InsiderTrades

Form 4 for QTRX Quanterix Corp

Accepted 2025-08-19 00:00:00 ET · period of report 2025-08-15 · accession 0001562180-25-005890 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X Filed Traded Ticker Insider Title Type Price Qty Owned ΔOwn Value
2025-08-19 2025-08-15 QTRX Toloue Masoud Pres, CEO, Dir F - Tax $4.57 -1,242 514.7K -0.2% -$5,676

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2025-08-15 F D 1,242 $4.57 514,688 D — — (F1) Shares withheld by Quanterix Corporation solely to cover tax obligations upon the vesting of 3,722 RSUs. (F2) Includes 228,813 restricted stock units.